<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>兼容ie8</title>
    <link type="text/css" href="css/validate.css">
</head>
<body>

<h1>用户信息</h1>

<form id="userInfoForm">
    <label>用户名：</label>
    <input type="text" name="username"><br>
    <label>年龄：&nbsp;&nbsp;&nbsp;&nbsp;</label>
    <input type="text" name="age"><br>
    <label>性别：</label>
    男<input type="radio" class="sex" name="sex" value="1">
    女<input type="radio" class="sex" name="sex" value="2"><br>
    <input type="submit" id="btn" value="提交">
</form>



<!--<script src="js/jsSource/jquery-1.9.1.js"></script>-->
<!--<script src="https://code.jquery.com/jquery-1.7.0.js"></script>-->
<script src="https://code.jquery.com/jquery-1.9.1.js"></script>
<script  src="https://ajax.aspnetcdn.com/ajax/jquery.validate/1.9/jquery.validate.min.js"></script>

<script  src="js/index.js"></script>

</body>
</html>